R & H Technologies, Inc.

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Minneapolis, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Wear resistant pipe bend for slurry transport
- Patent number 4,641,864
- Issue date Feb 10, 1987
- R & H Technologies, Inc.
- Otto R. Heine
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL